The problem with free will

Free will can be determined as the ability or power to choose, which can include making free choices that are unconstrained by external circumstances, Descartes identifies the faculty of will with freedom of choice, "the ability to do or not do something" (Meditation IV), and even goes so far as to state that "the will is by its nature so free that it can never be constrained" (Passions of the soul,I, art.41). On this level it is often the common and everyday assumption that we all possess free will, and there is no argument. However the varying schools of thought ( determinist, indetermi…